Cosmic rune: where to get it

Armoured zombie (Defender of Varrock)

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[{'content': 'Drop replaced with nothing in free-to-play.', 'name': 'membs'}]

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[{'content': 'Estimated rarity may be inaccurate due to a low sample size.', 'name': 'inaccurate'}]

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[{'content': 'Requires appropriate material to transmute from.'}]

Essence impling

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[{'content': 'Available from Professor Imblewyn and Professor Onglewip only.', 'name': 'Runes'}]

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Professor Imblewyn (Manor Farm)

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